APA-referens (7:e uppl.)

Krutch, J. W. (1957). The American drama since 1918: An informal history ([Rev. ed.].). Thames and Hudson.

Chicago-referens (17:e uppl.)

Krutch, Joseph Wood. The American Drama Since 1918: An Informal History. [Rev. ed.]. London: Thames and Hudson, 1957.

MLA-referens (8:e uppl.)

Krutch, Joseph Wood. The American Drama Since 1918: An Informal History. [Rev. ed.]. Thames and Hudson, 1957.